Weather in San Francisco in December
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Book now, pay at pickup — compare Hertz, Avis, Budget, Sixt and 800+ rental companies for December in San Francisco.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youSan Francisco in December is cool — daytime temperatures average 13.2°C, dropping to 8.0°C at night. The month is very wet, with around 12 rainy days, with roughly 6.4 hours of sunshine a day. It is one of the best months of the year to visit. For the complete picture, see the best time to visit San Francisco — every month compared. Once you know when to go, find your San Francisco packing list at 247PackingList.
Get ready for San Francisco in December
Search flights to San Francisco
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Search Flights →Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
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Get NordVPN →What to pack for San Francisco in December
- Warm layers
- Light jacket or fleece
- Comfortable walking shoes
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
Compare all months in San Francisco
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 13.3°C | 98.0mm | 10/10 |
| February | 14.5°C | 33.4mm | 10/10 |
| March | 13.6°C | 88.2mm | 10/10 |
| April | 15.0°C | 21.8mm | 10/10 |
| May | 16.9°C | 15.4mm | 10/10 |
| June | 18.1°C | 2.5mm | 10/10 |
| July | 18.0°C | 0.1mm | 10/10 |
| August | 19.8°C | 0.2mm | 10/10 |
| September | 20.3°C | 4.0mm | 10/10 |
| October | 19.9°C | 42.4mm | 10/10 |
| November | 16.2°C | 42.5mm | 10/10 |
| December | 13.2°C | 182.2mm | 9/10 |
Full month-by-month guide: best time to visit San Francisco →
For facts about United States — currency, language and dialling code — see our United States country guide at 247CountryInfo. Travellers also find it useful to keep a San Francisco travel guide to hand. Check clothing sizes in United States before you shop.
Frequently Asked Questions
Is December a good time to visit San Francisco?
December rates 9/10 for visiting San Francisco — excellent time to visit. Expect average highs of 13.2°C, 182.2mm of rain across the month and about 6.4 hours of daily sunshine.
What is the temperature in San Francisco in December?
In December, San Francisco has average highs of 13.2°C (55.8°F) and average lows of 8.0°C (46.4°F).
Does it rain in San Francisco in December?
Yes — December is one of the wetter months in San Francisco, averaging 182.2mm of rain over roughly 12 rainy days. Pack for heavy showers.
What should I wear in San Francisco in December?
For San Francisco in December (13.2°C highs / 8.0°C lows), pack warm layers plus light jacket or fleece, comfortable walking shoes, compact travel umbrella.
More essentials for San Francisco in December
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.